Montreal (YUL) to San Juan (SJU) flight deal in economy from $288

United AirlinesUAUnited Airlines
Round Trip•Economy
CanadaYUL

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada
Puerto RicoSJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico
$589 USD
-51%$288 USD
Verified 17 days ago
Rare Availability
7% of dates checked are available within 10% of the lowest price

Friday, December 18th, 2026

6 round-trip options

Returning
Wed, Dec 23, 2026•5 Day Trip
$857 USD
Google Flights
Returning
Sat, Dec 26, 2026•8 Day Trip
$929 USD
Google Flights
Returning
Mon, Dec 28, 2026•10 Day Trip
$1,107 USD
Google Flights
Returning
Tue, Dec 29, 2026•11 Day Trip
$1,107 USD
Google Flights
Returning
Wed, Dec 30, 2026•12 Day Trip
$1,107 USD
Google Flights
Returning
Thu, Dec 31, 2026•13 Day Trip
$1,069 USD
Google Flights